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This letter proposes a wireless virtualization mapping process based on cognitive radio (CR). Primary virtual networks (PVNs) and secondary virtual networks (SVNs) are mapped onto the same CR substrate. The… Click to show full abstract
This letter proposes a wireless virtualization mapping process based on cognitive radio (CR). Primary virtual networks (PVNs) and secondary virtual networks (SVNs) are mapped onto the same CR substrate. The SVN mapping is an NP-hard problem in which both SVN demands and PVN activities must be considered, in order to ensure reduced interference level to the PVN. The interactions between PVNs and SVNs are modeled by an M/M/N/N queue with priority and preemptive service. In addition, a collision probability formulation is proposed, validated, and analyzed in order to assess the SVN mapping behavior under different primary and secondary loads.
Journal Title: IEEE Communications Letters
Year Published: 2017
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